Home / 5,580.74-8,369.76-1,685.46

Finding the Fourth Proportional to 5,580.74, 8,369.76 and 1,685.46

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Solution

The fourth proportional to 5,580.74, 8,369.76 and 1,685.46 is: 2,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.74 : 8,369.76 = 1,685.46 : x
  2. Step 2: Convert to fraction form
    5,580.74/8,369.76 = 1,685.46/x
  3. Step 3: Cross multiply
    5,580.74x = 8,369.76 × 1,685.46
  4. Step 4: Simplify right side
    5,580.74x = 14,106,895.69
  5. Step 5: Solve for x
    x = 14,106,895.69/5,580.74
  6. Step 6: Final answer
    x = 2,527.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.